Headset mount arm



FIG. 1 is a top perspective view of a headset mount arm showing our newdesign;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a right-side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines immediately adjacent the shaded areas represent thebounds of the claimed design while all other broken lines are directedto environment and are for illustrative purposes only; the broken linesform no part of the claimed design.

CLAIM The ornamental design for a headset mount arm, as shown anddescribed.